T-Mobile now supports cross-carrier RCS messaging

T-Mobile subscribers can now send RCS messages to people on other phone networks, so long as everyone involved has an Android phone and support for the new messaging standard.

There are still a bunch of caveats here, but this appears to be a big step forward for RCS. The messaging standard is meant to be the successor to SMS, but its rollout has been slow and messy. Many carriers — T-Mobile included — began supporting RCS years ago, but it generally only worked between subscribers of the same phone carrier and often only while they were using a specific carrier-made app, meaning it’s been basically useless.

Today’s launch gets us a lot closer to a world where RCS just works. T-Mobile is supporting RCS Universal Profile 1.0, which is the...

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